*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #1a6b3c;--primary-light: #2d9254;--bg: #f5f5f0;--card: #ffffff;--text: #1a1a1a;--text-muted: #666;--border: #e0e0e0;--success: #2d9254;--danger: #d32f2f;--warning: #f9a825;--radius: 8px}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{max-width:720px;margin:0 auto;padding:20px 16px}.navbar{background:var(--primary);color:#fff;padding:12px 20px;display:flex;justify-content:space-between;align-items:center}.nav-brand{color:#fff;font-weight:700;font-size:1.2rem}.nav-brand:hover{text-decoration:none}.nav-right{display:flex;align-items:center;gap:12px}.nav-user{color:#fffc;font-size:.9rem}.btn{display:inline-block;padding:8px 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--card);color:var(--text);font-size:.9rem;cursor:pointer;transition:all .15s}.btn:hover{background:#f0f0f0;text-decoration:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-light)}.btn-sm{padding:4px 10px;font-size:.85rem}.btn-block{display:block;width:100%;text-align:center}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:4px;font-weight:500;font-size:.9rem}.form-group input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem}.form-group input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px #1a6b3c26}.form-actions{display:flex;gap:12px;justify-content:flex-end;margin-top:20px}.error{color:var(--danger);font-size:.9rem;margin:8px 0}.success{color:var(--success);font-size:.9rem;margin:8px 0}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{background:var(--card);border-radius:12px;padding:40px;width:100%;max-width:400px;box-shadow:0 4px 20px #00000014}.auth-card h1{font-size:1.8rem;margin-bottom:4px}.auth-card .subtitle{color:var(--text-muted);margin-bottom:24px}.auth-switch{text-align:center;margin-top:20px;font-size:.9rem;color:var(--text-muted)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.challenge-list{display:flex;flex-direction:column;gap:12px}.challenge-card{display:flex;justify-content:space-between;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px 20px;transition:all .15s;color:var(--text)}.challenge-card:hover{border-color:var(--primary);text-decoration:none}.challenge-card.pending{border-left:3px solid var(--warning)}.opponent-name{font-weight:600;font-size:1.05rem}.badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:.75rem;font-weight:600}.badge-pending{background:#fff3cd;color:#856404}.score-preview{display:flex;align-items:center;gap:8px;font-size:1.3rem;font-weight:700}.score-you{color:var(--primary)}.score-opp{color:var(--text-muted)}.score-sep{color:var(--border)}.challenge-actions{display:flex;gap:8px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted);font-size:1.1rem}.loading{text-align:center;padding:40px;color:var(--text-muted)}.back-link{display:inline-block;margin-bottom:16px;color:var(--text-muted);font-size:.9rem}.scoreboard{display:flex;align-items:center;justify-content:center;gap:24px;background:var(--card);border-radius:12px;padding:24px;margin-bottom:32px;box-shadow:0 2px 10px #0000000f}.score-side{display:flex;flex-direction:column;align-items:center;gap:4px}.score-num{font-size:2.5rem;font-weight:800}.score-side.you .score-num{color:var(--primary)}.score-side.opponent .score-num{color:var(--text-muted)}.score-name{font-size:.9rem;color:var(--text-muted)}.score-vs{font-size:1rem;color:var(--border);font-weight:600}.match-day{margin-bottom:32px}.match-date{font-size:1rem;color:var(--text-muted);margin-bottom:12px;padding-bottom:8px;border-bottom:1px solid var(--border)}.match-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:12px;transition:all .15s}.match-card.won{border-left:3px solid var(--success)}.match-card.lost{border-left:3px solid var(--danger)}.match-card.missed{border-left:3px solid var(--warning)}.match-card.started{opacity:.8}.match-meta{display:flex;gap:12px;font-size:.8rem;color:var(--text-muted);margin-bottom:12px}.match-teams{display:flex;align-items:center;justify-content:center;gap:12px}.team-btn{display:flex;flex-direction:column;align-items:center;gap:6px;padding:12px 20px;border:2px solid transparent;border-radius:var(--radius);background:var(--bg);cursor:pointer;transition:all .15s;min-width:100px}.team-btn:hover:not(:disabled){border-color:var(--primary);background:#1a6b3c0d}.team-btn:disabled{cursor:default;opacity:.7}.team-btn.selected{border-color:var(--primary);background:#1a6b3c1a}.team-btn.correct{border-color:var(--success);background:#2d92541a}.team-btn.wrong{border-color:var(--danger);background:#d32f2f1a}.team-btn.opponent-pick:after{content:"👤";font-size:.7rem;position:absolute;top:2px;right:4px}.team-btn{position:relative}.flag{width:48px;height:32px;object-fit:cover;border-radius:4px;box-shadow:0 1px 3px #00000026}.team-name{font-size:.85rem;font-weight:500;text-align:center}.match-score{min-width:60px;text-align:center}.match-score .score{font-size:1.2rem;font-weight:700}.match-score .vs{font-size:.9rem;color:var(--text-muted);font-weight:600}.match-bets{display:flex;justify-content:space-between;margin-top:10px;padding-top:10px;border-top:1px solid var(--border);font-size:.8rem}.bet-indicator{color:var(--text-muted)}.bet-indicator.missed{color:var(--danger);font-weight:600}.new-challenge{max-width:480px;margin:0 auto}.new-challenge h2{margin-bottom:8px}.new-challenge>p{color:var(--text-muted);margin-bottom:24px}@media(max-width:480px){.match-teams{gap:6px}.team-btn{min-width:80px;padding:8px 12px}.flag{width:36px;height:24px}.team-name{font-size:.75rem}.scoreboard{gap:16px;padding:16px}.score-num{font-size:2rem}}